M6 Copper Hex Head Cap Screw from Mexico
A fully threaded M6 (6mm diameter) hex head cap screw made entirely of copper alloy, used in marine and electrical applications requiring corrosion resistance. It falls under HTS 7415.33.80.10 because it is a copper screw with shank and threads 6 mm or more in diameter, distinct from smaller fasteners.
Duty Rate — Mexico → United States
53%
Rate breakdown
9903.82.0250%Except as provided for in headings 9903.82.14, 9903.85.67 and 9903.85.68, articles of aluminum, of steel or of copper and derivative aluminum or steel articles, as provided for in subdivisions (c)(i)–(v) of U.S. note 16 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
Import Tips
• Verify copper alloy composition meets subheading note definitions (e.g
• brass or bronze) via material test reports to avoid reclassification
• Include detailed engineering drawings showing shank/thread dimensions ≥6mm for customs valuation and classification